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It Changes:
color
shape
size
Chemical composition
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∙ 12y ago
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How can you tell that a burning piece of wood is chemical change?
Because you can't put it back together. Imagine burning a piece of paper, there is no way that you can get that piece of paper back. Burning that piece of paper was a chemical change because you changed the chemical properties of the paper. Crumpling or cutting the paper doesn't change the molecular structure of the paper, so it is a physical change.
What happens if you swallowed a piece of paper?
if you eat paper nothing will happen i used to eat paper when i was small
What happens when cheese is rubbed with a piece of paper?
Please tell me the answer
Why is a car rusting a physical change?
no its chemical. physical changes is where the object chemical matter is not altered. ex- cuting a piece of paper is physical because you still have a piece of paper but burning the paper is chemical because a chemical change has taken place.
Is a twig being snapped in two a chemical change?
no, a chemical change is when something turns into something else. as an example burning paper is a chemical reaction because the paper turned into ashes and changed. but if you rip a piece of paper in half its still a piece of paper right. did that answer your question
Is setting a piece of paper on fire a example of chemical change?
yes because it changes the physical properties of it as a paper by burning
What is the difference between phyical and chemical changes?
A physical change only changes the appearance of an object, it's chemical makeup is still the same. Melting ice doesn't change it to a different object, just a different state. Like if you rip a piece of paper, it's still a piece of paper. But a chemical change changes the makeup of the object. Burning is a chemical change. Once it burns it is no longer paper.
What is that piece of paper that you dip in a chemical and it changes colour?
Litmus paper
Why you should not use a piece of burning paper to light the Bunsen burner?
the gas from the Bunsen burner will cause the existing flame to flare and burn the entire piece of paper and your fingers - and the lab. it's difficult to blow out the burning paper.
When a piece of paper burns is it a physical or a chemical change?
Burning is a chemical change.
Is burning a piece of paper chemical change or physical change?
Cheimical change
What happens if you ingest a small piece of paper?
Nothing.
What happens when you freeze a piece of paper for 24 hours?
It might be a cold piece of paper, but there shouldn't be much difference otherwise.
How can you tell that a burning piece of wood is chemical change?
Because you can't put it back together. Imagine burning a piece of paper, there is no way that you can get that piece of paper back. Burning that piece of paper was a chemical change because you changed the chemical properties of the paper. Crumpling or cutting the paper doesn't change the molecular structure of the paper, so it is a physical change.
What happens if you swallowed a piece of paper?
if you eat paper nothing will happen i used to eat paper when i was small
How were a burning piece of paper and a burning marshmallow similar?
They are similar because you are producing a chemical change in both, making new substances.
What happens when a piece of paper is burned completely?
It turns to ash
